A Public Policy Polling poll released Tuesday shows Sen. Kay Hagan, D-N.C., leading Republican challenger Thom Tillis in the race for Senate.

Hagan is ahead of Tillis 42 percent to 38 percent in the poll. This marks the sixth consecutive month PPP has found Hagan leading her Republican challenger.

North Carolina is seen as a key state for Republicans in their efforts to take control of the Senate.